package com.cssl.mapreduce.partiton2;

import org.apache.hadoop.io.LongWritable;
import org.apache.hadoop.io.Text;
import org.apache.hadoop.mapreduce.Mapper;

import java.io.IOException;

public class FlowMapper extends Mapper<LongWritable, Text,Text, FlowBean> {

    private  Text outK=new Text();
    private FlowBean outV=new FlowBean();
    @Override
    protected void map(LongWritable key, Text value, Context context) throws IOException, InterruptedException {
        //1、获取一行
        String line = value.toString();
        //2、切割
        String[] split = line.split("\t");
        //3、抓取想要的数据 ，手机号、上传流量、下载流量
        String phone=split[1];
        String up=split[split.length-3];
        String down=split[split.length-2];
        //4、封装
        outK.set(phone);
        outV.setUpFlow(Long.parseLong(up));
        outV.setDownFlow(Long.parseLong(down));
        outV.setSumFlow();
        //5、写出
        context.write(outK,outV);
    }
}
